Rotary 1268 Muffler 1/2" Pipe B&S by Rotary $7.33 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Muffler PRODUCT DESCRIPTION DESCRIPTION Universal Muffler fits B&S 110000 Series (4 HP). 1/2" Pipe. REPLACES OEM B&S 394569, 394569S, 5019, 5019B, 5019D, 5019H SPECS PIPE SIZE 1/2"